This section is from the book "Practical Materia Medica And Prescription Writing", by Oscar W. Bethea. Also available from Amazon: Practical Materia Medica and Prescription Writing.
Eng., Precipitated Manganese Dioxide.
A black powder.
Odorless and tasteless.
Insoluble in water and alcohol.
Alkalies, carbonates, phosphates, etc.
4 grains (0.25 Gm.).
 
Continue to: